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Jianxiao Wang, Wei Sun, Petru Aurelian Simionescu and Yuanjin Ju
The seed metering process of a fluted force-feed seeder was simulated using the Discrete Element Method and its parameters optimized using the Box?Behnken Design of Experiments and the Response Surface Method. The rotational speed of the feed roller, the...
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Chun-Jung Huang, Jer-Rong Chang, Ting-Nung Shiau and Kuan-Hung Chen
In this paper, the tool-tip responses for ball end milling, due to the coupling effects of a flexible rotor-bearing system, are investigated numerically. The milling machine tool spindle is modelled as the flexible rotor-bearing system. The critical spee...
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Arnd Adje Both
This paper presents the acoustic study of a sample of sonic artefacts, in particular a selection of wind instruments (horns, trumpets and pipes), from the UNESCO World Heritage Centre of Teotihuacan, Mexico, based on a thorough examination of the accessi...
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Imam Kusyairi,Helmy Mukti Himawan,Moch. Agus Choiron,Yudy Surya Irawan,Rachmat Safari,Dagus Resmana Djuanda
Pág. 39 - 44
Metal casting with investment casting method is metal casting which has the ability to produce accurate parts and has a controlled fineness. Current technological developments are very influential in the development of investment casting. One of them has...
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Joanna Szilo and Robert Józef Bialik
Glacial forefields areas are dynamic landscapes, and due to the glacier frontal position changes, they are sensitive to climatic fluctuations. The results of the analysis of aerial photos, satellite imagery, archival maps, and terrestrial laser scanning ...
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Rodrigo Barros de Borba, Sergio Luiz Moni Ribeiro Filho, Lincoln Cardoso Brandão
Pág. 465 - 468
Drilling is among the most important manufacturing processes in modern industry. Information on the dynamics of the drilling process is very important to define optimum input parameters. The minimization of burrs is a great challenge in drilling process....
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